102311202012031 has 16 divisors (see below), whose sum is σ = 103005273670720. Its totient is φ = 101617676858880.

The previous prime is 102311202011987. The next prime is 102311202012067. The reversal of 102311202012031 is 130210202113201.

It is a cyclic number.

It is not a de Polignac number, because 102311202012031 - 2¹⁵ = 102311201979263 is a prime.

It is a super-2 number, since 2×102311202012031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311202312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5548621510 + ... + 5548639948.

It is an arithmetic number, because the mean of its divisors is an integer number (6437829604420).

Almost surely, 2^{102311202012031} is an apocalyptic number.

102311202012031 is a deficient number, since it is larger than the sum of its proper divisors (694071658689).

102311202012031 is a wasteful number, since it uses less digits than its factorization.

102311202012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31234.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102311202012031 its reverse (130210202113201), we get a palindrome (232521404125232).

The spelling of 102311202012031 in words is "one hundred two trillion, three hundred eleven billion, two hundred two million, twelve thousand, thirty-one".